python函数中默认参数的补充

python函数中默认参数的补充

题目：糖果平均分，为了公平起见，剩余的糖果需销毁；如果没有特别设定，默认平均分给3个人。
代码如下：

def to_smash(total_candies, number_of_friends = 3):
 	"""Return the number of leftover candies that must be smashed after 		 	distributing the given number of candies evenly between the number of friends.
    
    >>> to_smash(91,4)
    3
    """
    
	return total_candies % number_of_friends

output:

to_smash(91)
1
to_smash(91,4)
3